39508339652 has 6 divisors (see below), whose sum is σ = 69139594398. Its totient is φ = 19754169824.

The previous prime is 39508339621. The next prime is 39508339667. The reversal of 39508339652 is 25693380593.

It can be written as a sum of positive squares in only one way, i.e., 39483279616 + 25060036 = 198704^2 + 5006^2 .

It is a super-2 number, since 2×39508339652² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39508339594 and 39508339603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4938542453 + ... + 4938542460.

It is an arithmetic number, because the mean of its divisors is an integer number (11523265733).

Almost surely, 2^39508339652 is an apocalyptic number.

It is an amenable number.

39508339652 is a deficient number, since it is larger than the sum of its proper divisors (29631254746).

39508339652 is a wasteful number, since it uses less digits than its factorization.

39508339652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9877084917 (or 9877084915 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 53.

The spelling of 39508339652 in words is "thirty-nine billion, five hundred eight million, three hundred thirty-nine thousand, six hundred fifty-two".